Home / 7,185,103.60-10,777,655.40-6,521,551.60

Finding the Fourth Proportional to 7,185,103.60, 10,777,655.40 and 6,521,551.60

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Solution

The fourth proportional to 7,185,103.60, 10,777,655.40 and 6,521,551.60 is: 9,782,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,103.60 : 10,777,655.40 = 6,521,551.60 : x
  2. Step 2: Convert to fraction form
    7,185,103.60/10,777,655.40 = 6,521,551.60/x
  3. Step 3: Cross multiply
    7,185,103.60x = 10,777,655.40 × 6,521,551.60
  4. Step 4: Simplify right side
    7,185,103.60x = 70,287,035,818,118.64
  5. Step 5: Solve for x
    x = 70,287,035,818,118.64/7,185,103.60
  6. Step 6: Final answer
    x = 9,782,327.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.